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X11R7.4 - man page for xtresolvepathname (x11r4 section 3)

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XtResolvePathname(3)			   XT FUNCTIONS 		     XtResolvePathname(3)

NAME
       XtResolvePathname - search for a file using standard substitution

SYNTAX
       String XtResolvePathname(Display *display, String type, String filename, String suffix,
	      String path, Substitution substitutions, Cardinal num_substitutions, XtFilePredi-
	      cate predicate);

ARGUMENTS
       display	   Specifies the display to use to find the language for language substitutions.

       type
       filename
       suffix	   Specify values to substitute into the path.

       path	   Specifies the list of file specifications, or NULL.

       substitutions
		   Specifies a list of additional substitutions to make into the path, or NULL.

       num_substitutions
		   Specifies the number of entries in substitutions.

       predicate   Specifies a procedure called to judge each potential file name, or NULL.

DESCRIPTION
       The substitutions specified by XtResolvePathname are determined from the value of the lan-
       guage string retrieved by XtDisplayInitialize for the specified display.  To set the lan-
       guage for all applications specify ``*xnlLanguage: lang'' in the resource database.  The
       format and content of the language string are implementation-defined.   One suggested syn-
       tax is to compose the language string of three parts;  a  ``language  part'',  a ``terri-
       tory  part'' and a ``codeset part''.  The manner in which this composition is accomplished
       is implementation-defined and the Intrinsics make no interpretation of the parts other
       than to use them in substitutions as described below.

       XtResolvePathname calls XtFindFile with the following substitutions in addition to any
       passed by the caller and returns the value returned by XtFindFile:

       %N   The value of the filename parameter, or the application's class name if filename is
	    NULL.

       %T   The value of the type parameter.

       %S   The value of the suffix parameter.

       %L   The language string associated with the specified display.

       %l   The language part of the display's language string.

       %t   The territory part of the display's language string.

       %c   The codeset part of the display's language string.

       %C   The customization string retrieved from the resource database associated with dis-
	    play.

       %D   The value of the implementation-specific default path.

       If a path is passed to XtResolvePathname, it will be passed along to XtFindFile.  If the
       path argument is NULL, the value of the XFILESEARCHPATH environment variable will be
       passed to XtFindFile.  If XFILESEARCHPATH is not defined, an implementation-specific
       default path will be used which contains at least 6 entries.  These entries must contain
       the following substitutions:

       1. %C, %N, %S, %T, %L	or%C, %N, %S, %T, %l, %t, %c
       2. %C, %N, %S, %T, %l
       3. %C, %N, %S, %T
       4. %N, %S, %T, %L   or	%N, %S, %T, %l, %t, %c
       5. %N, %S, %T, %l
       6. %N, %S, %T

       The order of these six entries within the path must be as given above.  The order and use
       of substitutions within a given entry is implementation dependent.  If the path begins
       with a colon, it will be preceded by %N%S.  If the path includes two adjacent colons, %N%S
       will be inserted between them.

       The type parameter is intended to be a category of files, usually being translated into a
       directory in the pathname.  Possible values might include ``app-defaults'', ``help'', and
       ``bitmap''.

       The suffix parameter is intended to be appended to the file name.  Possible values might
       include ``.txt'', ``.dat'', and ``.bm''.

       A suggested value for the default path on POSIX-based systems is

	      /usr/local/lib/X11/%L/%T/%N%C%S:/usr/local/lib/X11/%l/%T/%N%C%S:.br

	      /usr/local/lib/X11/%T/%N%C%S:/usr/local/lib/X11/%L/%T/%N%S:.br

	      /usr/local/lib/X11/%l/%T/%N%S:/usr/local/lib/X11/%T/%N%S

       Using this example, if the user has specified a language, it will be used as a subdirec-
       tory of /usr/local/lib/X11 that will be searched for other files.  If the desired file is
       not found there, the lookup will be tried again using just the language part of the speci-
       fication.  If the file is not there, it will be looked for in /usr/local/lib/X11.  The
       type parameter is used as a subdirectory of the language directory or of
       /usr/local/lib/X11, and suffix is appended to the file name.

       The %D substitution allows the addition of path elements to the implementation-specific
       default path, typically to allow additional directories to be searched without preventing
       resources in the system directories from being found.  For example, a user installing
       resource files under a directory called ``ourdir'' might set XFILESEARCHPATH to

	      %D:ourdir/%T/%N%C:ourdir/%T/%N

       The customization string is obtained by querying the resource database currently associ-
       ated with the display (the database returned by XrmGetDatabase) for the resource applica-
       tion_name.customization, class application_class.Customization where application_name and
       application_class are the values returned by XtGetApplicationNameAndClass.  If no value is
       specified in the database, the empty string is used.

       It is the responsibility of the caller to free the returned string using XtFree when it is
       no longer needed.

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

X Version 11				   libXt 1.0.5			     XtResolvePathname(3)
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